Shaw, Charles G. Armillaria root disease / by Charles G. Shaw III and Glen A. Kile. - Washington, D.C. : U.S. Dept. of Agriculture, 1991. - xi, 233 p. : maps ; 28 cm. - Agriculture handbook no. 691 . Subjects--Topical Terms: Armillaria root rot; Armillaria. Dewey Class. No.: 634.9642 SHA / 910